Swimmer profile
Ian Brenenborg
Male13-14Racer X AquaticsAM · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.46
32.68
▲ 2.78
31.70
▲ 0.98
29.73
▲ 1.97
29.67
▲ 0.06
28.07
▲ 1.60
100 Free LCM
1:15.81
1:10.32
▲ 5.49
1:07.11
▲ 3.21
1:05.26
▲ 1.85
—
—
200 Free LCM
2:39.90
2:28.36
▲ 11.54
2:21.35
▲ 7.01
2:14.82
▲ 6.53
2:09.04
▲ 5.78
2:06.46
▲ 2.58
400 Free LCM
5:29.07
5:07.78
▲ 21.29
4:48.58
▲ 19.20
4:39.15
▲ 9.43
4:25.05
▲ 14.10
4:19.47
▲ 5.58
800 Free LCM
—
10:37.61
10:01.08
▲ 36.53
9:44.32
▲ 16.76
8:58.55
▲ 45.77
8:57.90
▲ 0.65
1500 Free LCM
—
20:03.31
18:57.34
▲ 65.97
18:19.50
▲ 37.84
17:03.32
▲ 76.18
17:06.68
▼ 3.36
50 Back LCM
42.44
38.28
▲ 4.16
36.30
▲ 1.98
34.30
▲ 2.00
—
32.75
▲ 1.55
100 Back LCM
1:33.08
1:21.04
▲ 12.04
1:14.64
▲ 6.40
1:12.55
▲ 2.09
1:09.67
▲ 2.88
1:07.61
▲ 2.06
200 Back LCM
—
—
2:35.40
2:32.80
▲ 2.60
2:23.12
▲ 9.68
2:19.46
▲ 3.66
50 Breast LCM
49.79
46.02
▲ 3.77
46.01
▲ 0.01
41.09
▲ 4.92
—
39.40
▲ 1.69
100 Breast LCM
1:47.43
1:36.49
▲ 10.94
1:34.71
▲ 1.78
1:32.45
▲ 2.26
1:26.23
▲ 6.22
1:23.63
▲ 2.60
200 Breast LCM
—
—
—
3:11.38
3:00.67
▲ 10.71
2:57.52
▲ 3.15
50 Fly LCM
41.18
34.98
▲ 6.20
34.78
▲ 0.20
32.87
▲ 1.91
—
30.72
▲ 2.15
100 Fly LCM
1:30.14
1:20.22
▲ 9.92
1:13.71
▲ 6.51
1:10.51
▲ 3.20
1:09.18
▲ 1.33
1:06.74
▲ 2.44
200 Fly LCM
—
—
2:38.55
2:29.36
▲ 9.19
2:22.26
▲ 7.10
2:21.68
▲ 0.58
200 IM LCM
3:07.86
2:49.46
▲ 18.40
2:43.08
▲ 6.38
2:34.56
▲ 8.52
2:27.56
▲ 7.00
2:25.72
▲ 1.84
400 IM LCM
—
5:54.64
5:41.70
▲ 12.94
5:28.18
▲ 13.52
5:05.65
▲ 22.53
4:57.73
▲ 7.92
Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.